The "Good Morning America" co-host was honored with a prize given to someone who reflects "strength in the face of adversity, courage in the face of peril, and the willingness to stand up for their beliefs no matter what the cost."
Roberts, 52, has battled both breast cancer and myelodysplastic syndrome (MDS), a disease that required a bone marrow transplant.
During her inspirational acceptance speech Roberts thanked her sister Sally Ann -- her bone marrow donor -- her ESPN crew, her "dream-team" of doctors and health care providers, everyone who supported her throughout her sickness and LeBron "King" James for presenting her with the award.
"Those of us who are fortunate to have overcome some form of illness or adversity are told that we are strong. I didn't find that strength on my own," she said Wednesday. "It was the kind that grew with every kind word of support - every tweet, every email, every phone call. ... Through it all, I learned that strength, true strength, isn't when you face down life's challenges on your own, it's when you take them on by accepting the help, faith and love of others and knowing that you are lucky to have those."